71689267232 has 48 divisors (see below), whose sum is σ = 162072640800. Its totient is φ = 30870973440.

The previous prime is 71689267211. The next prime is 71689267313. The reversal of 71689267232 is 23276298617.

It is a super-2 number, since 2×71689267232² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5352857 + ... + 5366232.

It is an arithmetic number, because the mean of its divisors is an integer number (3376513350).

Almost surely, 2^71689267232 is an apocalyptic number.

It is an amenable number.

71689267232 is an abundant number, since it is smaller than the sum of its proper divisors (90383373568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71689267232 is a wasteful number, since it uses less digits than its factorization.

71689267232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10719129 (or 10719121 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 53.

The spelling of 71689267232 in words is "seventy-one billion, six hundred eighty-nine million, two hundred sixty-seven thousand, two hundred thirty-two".